Daulbayev, C., Mitchell, G., Zakhidov, A., Sultanov, F., & Mansurov, Z. (2018). Obtaining of Biologically Soluble Membranes Based on Polymeric Nanofibres and Hydroxyapatite of Calcium. Eurasian Chemico-Technological Journal, 20(2), 119–124. https://doi.org/10.18321/ectj690